CtASS III. ARACHNOIDAL 123 



Inhabits the south of France, and England, beneath stones. It is 

 rare in this coiuitry, but has been taken in Devonshire, near Ply- 

 mouth and Exeter, and near London. 



**•'■ Mandibles perpendicular. Ei/es eight. 



Genus 9. DRA.SSUS. Walck., Latr., Leach. Gnaphosa. I^dr. 



Palpi inserted under the lateral and external margin of the niaxilhc 

 towards their middle : jnaxilla: longitudinal, arcuated, gradually be- 

 coming broader from the base towards the middle, somewhat con- 

 cave internally, smooth externally, their middle impressed, the 

 points bent inwards above the lip, and obliquely tnmcated within : 

 lip elongate, ovate-quadrate, or rather oval ; the base transversely 

 truncated, inclosing the maxilla : legs with the first, and afterwards 

 the second pair longest. 



* TJp somewhat oval ; the external side of the maxilla much bent 

 and arched. 



Sp. 1. Dras.melanogaster. INIandibles blackish : thorax and legs obscure 

 bro\ni : thighs light reddish-brown ; abdomen cinereous-brown and 

 silky. 



Drassus melanogaster. Latr., Leach. Drassus lucifuge. Walck. 



Inhabits France and England, under stones. 



** Lip orate (juadrate. 



Sp. 2. Dras. ater. Entirely black. 



Drassus ater. iMtr., Leach. 



Inhabits the vicinity of Paris, and near London, under stones. 



Genus 10. CLUBIONA. L(ttr., Walck., Leach. 



Maxilla straight and longitudinal : the basis a little dilated externally : 

 the apex rounded and obliquely truncated on the inside : lip elon- 

 gate, quadrate, gradually narrowing towards the point: legs, the 

 first or the fourth pair longer than the second pair. 



* The tico outer7nost eyes on either side neither placed rery close to- 

 gether, nor inserted on a distinct pronnncnce. (The maxilla in all 

 zcith an incrassated ba^t ; the fourth pair i>f feet (rarely the first) 

 longest.) 



Sp. 1. Clu. lapidicola. Thorax and mandibles pale reddish: feet very 



light red : abdomen ash-grey coloured. 

 Inhabits France and England under stones, constructing a globular 



cell of the size of a common hazel nut, in the centre of which are 



deposited a vast number of pale yellowish eggs agglutinated into a 



spherical mass, 



